Finding the Fourth Proportional to 87,270.78, 130,913.75 and 24,090.95
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Solution
The fourth proportional to 87,270.78, 130,913.75 and 24,090.95 is: 36,138.52
Step by Step Solution
- Step 1: Write the proportion equation
87,270.78 : 130,913.75 = 24,090.95 : x - Step 2: Convert to fraction form
87,270.78/130,913.75 = 24,090.95/x - Step 3: Cross multiply
87,270.78x = 130,913.75 × 24,090.95 - Step 4: Simplify right side
87,270.78x = 3,153,836,993.07 - Step 5: Solve for x
x = 3,153,836,993.07/87,270.78 - Step 6: Final answer
x = 36,138.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.